US Corporate Taxes As a Percent of Corporate Profits

"Once upon a time, the corporate income tax generated a significant share of tax revenues; now, it’s bumping along in the 2%-of-GDP range. Yes, the marginal rate of corporate income tax is high, at 35%. But US companies are extremely good at not paying that.

But at least we know the aggregate amount that corporations pay in taxes. What we don’t know — because they won’t say, and no one’s